HG/T 20623B  法兰 WN 1300-600 RF0

B WN1300-600 RF0

WN100(A)-16 RFRJ�� PL48(B)-

WN 10(B)-160 RF S=10.52 RF S=10520 rf sch42R.5rf6-42b

SO20(A)-10RF0615 WN350-600RJ1.6df

pl 40(A)-10RF-14/-f hg/t 20592-)-6-2/

lwn 20-300 rf b=21

WN 1 1/4"-900 RF Sc

WN4"-150RF S=12.7

47065.2